Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 240 · 40 sums

The trick (Anurupyena): Pick the working base (like 40 = 4 × 10 or 300 = 3 × 100) and write each number’s difference from it. Cross-add as in trick 3, then multiply that left part by 4 (or 3, 5…). Right part: multiply the differences — 1 digit for a × 10 base, 2 digits for a × 100 base (carry the extra).

1. 1.64 × 61 =
2. 2.497 × 494 =
3. 3.21 × 23 =
4. 4.83 × 81 =
5. 5.597 × 591 =
6. 6.604 × 605 =
7. 7.41 × 43 =
8. 8.63 × 64 =
9. 9.393 × 391 =
10. 10.507 × 501 =
11. 11.197 × 196 =
12. 12.44 × 42 =
13. 13.29 × 29 =
14. 14.205 × 204 =
15. 15.41 × 43 =
16. 16.61 × 64 =
17. 17.33 × 31 =
18. 18.604 × 609 =
19. 19.202 × 205 =
20. 20.597 × 592 =
21. 21.37 × 37 =
22. 22.64 × 63 =
23. 23.16 × 17 =
24. 24.199 × 194 =
25. 25.399 × 398 =
26. 26.91 × 91 =
27. 27.202 × 202 =
28. 28.301 × 305 =
29. 29.609 × 601 =
30. 30.293 × 299 =
31. 31.67 × 68 =
32. 32.304 × 308 =
33. 33.36 × 37 =
34. 34.301 × 308 =
35. 35.402 × 405 =
36. 36.63 × 62 =
37. 37.39 × 38 =
38. 38.203 × 203 =
39. 39.307 × 301 =
40. 40.83 × 82 =

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